<!--
@BLINK-ALLOW:offscreen
-->
<div>
  <div id=spacer style="height: 30000px"></div>
  <div id="locked" style="content-visibility: auto">
    <div>child</div>
    <div id="nested" style="content-visibility: auto">nested locked element!</div>
    <div id="nonActivatable" style="content-visibility: hidden">nested non activatable locked element</div>
  </div>
</div>
